Nasa Electromagnetic Log Data box & Target Log Display Waterproof Cases CHIRP Pulse Compression detects contacts

CHIRP Pulse Compression detects contacts as close as 18-feet for zero-visibility navigation

7-15m and 15+ m) in blue waters and a disc in magenta for green waters

No messy sealant on bungs

you can count that kids will love the comfort this short brings to the summer days

It features a locking collar that prevents unintentional battery use and a low setting that reduces the brightness by approximately 65 percent to offer considerably longer run times

Nasa Electromagnetic Log Data box & Target Log Display Waterproof Cases CHIRP Pulse Compression detects contactsTarget EM Log display 132 x 98mm compact size case with high contrast LCD NMEA 0183 input Speed in Knots Trip and Total logs in nautical miles Display backlighting EM transducer and interface box Speed range 0. 2 40 Knots NMEA 0183 output sentences VLW + VHW Standard 50mm diameter transducer Cable length 5. 0 metres Robust and accurate the sensor generates an alternating magnetic field below the boat and measures the resulting electric field produced